Structs starting with `i' in bsd/sys

• ioc_patch bsd/sys/cdio.h:141
• ioc_play_blocks bsd/sys/cdio.h:104
• ioc_play_msf bsd/sys/cdio.h:167
• ioc_play_track bsd/sys/cdio.h:96
• ioc_read_subchannel bsd/sys/cdio.h:110
• ioc_read_toc_entry bsd/sys/cdio.h:133
• ioc_toc_header bsd/sys/cdio.h:125
• ioc_vol bsd/sys/cdio.h:146
• iovec bsd/sys/uio.h:65
• ipc_perm bsd/sys/ipc.h:73
• itimerval bsd/sys/time.h:139